Base | Representation |
---|---|
bin | 111011100111000001… |
… | …0110011011011111001 |
3 | 110020102022002010212000 |
4 | 1313032002303123321 |
5 | 4044131242034144 |
6 | 134450221411213 |
7 | 12151141431504 |
oct | 1671602633371 |
9 | 406368063760 |
10 | 128010893049 |
11 | 4a31a8a2696 |
12 | 20986709b09 |
13 | c0c0a72680 |
14 | 62a524813b |
15 | 34e3403769 |
hex | 1dce0b36f9 |
128010893049 has 64 divisors (see below), whose sum is σ = 207304473600. Its totient is φ = 77598259200.
The previous prime is 128010893047. The next prime is 128010893063. The reversal of 128010893049 is 940398010821.
It is not a de Polignac number, because 128010893049 - 21 = 128010893047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 128010892995 and 128010893013.
It is not an unprimeable number, because it can be changed into a prime (128010893041) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8458209 + ... + 8473329.
It is an arithmetic number, because the mean of its divisors is an integer number (3239132400).
Almost surely, 2128010893049 is an apocalyptic number.
It is an amenable number.
128010893049 is a deficient number, since it is larger than the sum of its proper divisors (79293580551).
128010893049 is a wasteful number, since it uses less digits than its factorization.
128010893049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15503 (or 15497 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 128010893049 in words is "one hundred twenty-eight billion, ten million, eight hundred ninety-three thousand, forty-nine".
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